Included : 1 base board, 1 battery box, 1 bell, 1 electric motor, 20 springs, 20 spring caps, 1 flashing bulb, 2 bulbs, 1 cardboard disk, 2 electrodes, 2 resistors, sheathed electric wires, instruction sheet in colour. Warning : For children aged 8 and over only. WARNING ! Not suitable for children under 36 months due to small parts which can be ingested. Choking hazard. RETAIN THE PACKAGING FOR FUTURE REFERENCE. The colors and content may slightly vary. Requires 4 LR06 batteries, not included. Batteries are to be changes by an adult. The batteries are classified as WEEE and should be disposed of safely when no longer required.